The best biography of John Keats, in my opinion, is Andrew Motion's 'Keats'. It's not just a dry recounting of his life—it reads almost like a novel, with vivid descriptions of his friendships, his struggles, and the feverish creativity that fueled his poetry. Motion digs into Keats' letters, which are heartbreakingly beautiful, and ties them to his work in a way that makes both feel alive. You get this sense of Keats as a real person, not just a Romantic icon: his insecurities, his passion for Fanny Brawne, even his dark humor.
What sets it apart from other biographies, like Aileen Ward's or Walter Jackson Bate's, is how Motion balances scholarly depth with emotional accessibility. He doesn’t shy away from the medical horrors of Keats' tuberculosis or the brutal reviews that crushed him, but he also captures the exhilaration of his best writing days. If you want to feel like you’ve walked alongside Keats through Hampstead or Italy, this is the book. I finished it with a stack of his poems next to me, rereading 'Ode to a Nightingale' with entirely new eyes.